| Index | Shannon City | Iowa | National |
| Average Test Scores | n/a | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Shannon City | Iowa | National |
| Completed 8th grade | 84.1% | 89.2% | 84.3% |
| Completed high school | 84.1% | 87.7% | 83.0% |
| Completed some college | 29.5% | 59.8% | 59.4% |
| Completed associate degree | 13.6% | 38.4% | 38.5% |
| Completed bachelors | 9.1% | 27.2% | 30.3% |
| Completed masters | 0.0% | 8.7% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Shannon City. Using the proficiency score averages, the average test scores for Shannon City, IA schools is n/a. The average student to teacher ratio is n/a. In Shannon City, IA, an average of 84.1% of students have completed 8th grade and an average of 84.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mount Ayr, IA | 1,988 | 83% | 73.4% |
| Diagonal, IA | 475 | 78% | 61.5% |
| Afton, IA | 901 | 71% | 47.4% |
| Creston, IA | 7,754 | 65% | 34.4% |
| Shannon City, IA | 108 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Arlington, AZ | 108 | 35% | 28.1% |
| Roosevelt, WA | 108 | 50% | 4.2% |
| Herminie, PA | 108 | 65% | 34.4% |
| Vilas, CO | 109 | 50% | 4.2% |
| Eagle, AK | 109 | 50% | 4.2% |
| Shannon City, IA | 108 | n/a |
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